不属于脑干的解剖结构为（）
A.中脑
B.脑桥
C.间脑
D.延髓
E.海马
参考答案：E
解析：脑干的解剖结构为：中脑、脑桥、间脑、延髓。
_______ impressed me was the boy’s ability to deal with this kind of difficult physics problem.
A．Which
B．What
C．It
D．That
